CN214782892U - Waste paper pulping sand removal and fine screening slag discharge treatment system - Google Patents
Waste paper pulping sand removal and fine screening slag discharge treatment system Download PDFInfo
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- CN214782892U CN214782892U CN202120974881.2U CN202120974881U CN214782892U CN 214782892 U CN214782892 U CN 214782892U CN 202120974881 U CN202120974881 U CN 202120974881U CN 214782892 U CN214782892 U CN 214782892U
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Abstract
The waste paper pulping sand-removing and fine screening slag-discharging treatment system comprises a sand-removing slag-discharging collecting tank, a sand-removing slag-slurry pump, a fine screening slag-discharging collecting tank, a fine screening slag-slurry pump, a slag-slurry concentration inclined screen, a slag-slurry solid-liquid separation device and corresponding pipelines, wherein the slag slurry in the sand-removing slag-discharging collecting tank is connected to the input end of the slag-slurry concentration inclined screen through the sand-removing slag-slurry pump and a sand-removing slag-slurry pipe; the slag slurry in the fine screening slag discharging collecting tank is connected to the input end of the slag slurry concentration inclined screen through a fine screening slag slurry pump and a fine screening slag slurry pipe. The utility model has the characteristics of the flow is simple and clear, equipment configuration is simple, area is little, actual operation is simple and convenient etc, can improve production efficiency, reduce sewage treatment's the degree of difficulty, effectively solve degritting and fine screen low concentration arrange the inside and outside road transportation problem of factory of sediment, be suitable for waste paper slurrying and use widely.
Description
Technical Field
The utility model belongs to the technical field of slurrying papermaking, a waste paper slurrying degritting and fine screen arrange sediment processing system is related to.
Background
In the waste paper pulping process, a large amount of waste residues are generated in the low-concentration desanding and fine screening processes, the waste residues contain a small amount of fine fibers, fine sand stones, plastic sheets, foam particles, sticky substances and other impurities, and the concentration of the discharged slag is about 1% -3%. The prior art generally adopts a mode of directly discharging a trench or collecting a barrel tank and manually cleaning the part of waste slag regularly. For the treatment mode of directly discharging the trench, the method can be adopted when the yield is small, waste residues can block the trench when the yield is large, and meanwhile, the drainage and deslagging of the trench finally flow to the wastewater treatment, so that the load of a wastewater treatment station is large and the treatment difficulty is increased. The mode of collecting manual work and regularly cleaning by adopting the barrel groove has low slag discharging concentration, the requirement of transferring or transporting can be met only by filtering and compressing to improve dryness, the labor intensity of workers is high, the phenomena of dripping, running, overflowing and the like are easily generated, and the workshop environment is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that above-mentioned prior art exists, provide a waste paper slurrying desanding and fine screen arrange sediment processing system, can concentrate the collection with desanding and fine screen row's sediment, automatic continuous production is in order to improve production efficiency to will arrange the sediment and adopt concentration, dewatering device to improve the dryness fraction and conveniently arrange sediment outward transportation, keep the clean environment in workshop.
The technical scheme of the utility model as follows:
the waste paper pulping sand-removing and fine screening slag-discharging treatment system comprises a sand-removing slag-discharging collecting tank, a sand-removing slag-slurry pump, a fine screening slag-discharging collecting tank, a fine screening slag-slurry pump, a slag-slurry concentration inclined screen, a slag-slurry solid-liquid separation device and corresponding pipelines; the slag slurry in the desanding and deslagging collecting tank is connected to the input end of the slag slurry concentration inclined screen through a desanding slag slurry pump and a desanding slag slurry pipe; the slag slurry in the fine screening slag discharging collecting tank is connected to the input end of the slag slurry concentration inclined screen through a fine screening slag slurry pump and a fine screening slag slurry pipe. The sand-removed slag slurry and the fine-screened slag are mixed in a slag slurry concentration inclined screen feeding groove.
The slag slurry concentrating inclined screen is provided with an input end, a drainage end and a slag discharging end, the input end of the slag slurry concentrating inclined screen is connected with a sand removal slag slurry pipe and a fine screening slag slurry pipe, the slag discharging end is connected to the input end of the slag slurry solid-liquid separation device through a chute, and the drainage end is connected with a workshop trench through a waste water pipeline.
The slag-slurry solid-liquid separation device is provided with an input end, a drainage end and a slag discharge end, concentrated slag slurry from the slag-slurry concentration inclined screen slag discharge end is connected to the input end of the slag-slurry solid-liquid separation device through a chute, and the drainage end is connected with a workshop trench through a waste water pipeline. The slag discharging end discharges the processed slag slurry to the slag slurry transport trolley.
The slag slurry concentration inclined screen is provided with a filtering screen plate. The low-concentration slurry overflows the input end cofferdam and flows through the filter sieve plate from top to bottom, and the concentration of the slurry is improved through gravity dehydration.
The slag slurry solid-liquid separation device is a screw press or a screw extruder. The concentration of the slurry is further controlled by forced dehydration through the variable frequency speed regulation of a transmission device and the control of the loading pressure of a mechanical pressurizing device between a spiral shaft and a screen cylinder.
Compared with the prior art, the utility model the advantage be: the full-automatic production is realized, the labor intensity of workers is reduced, and the production efficiency is improved; meanwhile, the slurry residue is concentrated and compressed, so that waste residue is prevented from being discharged into a trench, the difficulty of sewage treatment is reduced, and pollution is reduced; the dryness of the treated waste residue is greatly improved, and the problems of sand removal and fine screening of low-concentration slag discharge in-and-out-of-factory road transportation are effectively solved. In addition the utility model provides a pair of waste paper slurrying degritting and fine screen arrange sediment processing system has characteristics such as the flow is simple and clear, equipment configuration is simple, area is little, actual operation is simple and convenient, is suitable for waste paper slurrying and uses widely.
Drawings
Fig. 1 is a schematic diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of embodiment 2 of the present invention.
In the figure: 01-sand and slag removing pipeline; 02-fine screening of a slag discharge pipeline; 03-desanding and deslagging pipelines; 04-fine screening of a slag discharge pipeline; 11-sand and slag removal collecting tank; 12-a sand-removing slurry pump; 13-removing the sand-slag slurry pipe; 21-fine screening, deslagging and collecting tank; 22-fine screening slurry pump; 23-fine screening of the residue pulp pipe; 31-slag pulp concentration inclined screen; 32-concentrating the residue slurry; 33-a first waste water line; 41-a slag slurry solid-liquid separation device; 42-discharging the slurry; 43-a second waste water line; 51-slurry transport trolley.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1:
FIG. 1 shows: the waste paper pulping sand-removing and fine screening slag-discharging treatment system comprises a sand-removing slag-discharging collecting tank 11, a sand-removing slag-slurry pump 12, a fine screening slag-discharging collecting tank 21, a fine screening slag-slurry pump 22, a slag-slurry concentration inclined screen 31, a slag-slurry solid-liquid separation device 41 and corresponding pipelines.
The sand-removing slag-discharging pipe 01 is used for feeding the sand-removing slag-discharging collecting tank 11, and the fine-screening slag-discharging pipe 02 is used for feeding the fine-screening slag-discharging collecting tank 21. The slag slurry in the desanding and deslagging collecting tank 11 is connected to the input end of the slag slurry concentration inclined screen 31 through a desanding slag slurry pump 12 and a desanding slag slurry pipe 13, the slag slurry in the fine screening and deslagging collecting tank 21 is connected to the input end of the slag slurry concentration inclined screen 31 through a fine screening slag slurry pump 22 and a fine screening slag slurry pipe 23, and the desanding slag slurry and the fine screening slag are mixed in a feeding groove of the slag slurry concentration inclined screen 31. The slag pulp concentrating inclined screen 31 is provided with an input end, a water discharging end and a slag discharging end, the input end of the slag pulp concentrating inclined screen 31 is connected with a sand-removing slag pulp pipe 13 and a fine screening slag pulp pipe 23, slag pulp 32 after being concentrated at the slag discharging end is connected to the input end of a slag pulp solid-liquid separation device 41 through a chute, and the water discharging end is connected with a workshop trench through a first waste water pipeline 33. The slag-slurry solid-liquid separation device 41 is provided with an input end, a drainage end and a slag discharge end, wherein the concentrated slag slurry 32 from the slag discharge end of the slag-slurry concentrating inclined screen 31 is connected with the input end of the slag-slurry solid-liquid separation device 41 through a chute, the drainage end is connected with a workshop trench through a second waste water pipeline 43, and the processed discharged slag slurry 42 is discharged to a slag-slurry transport trolley 51 through the slag discharge end.
The slag slurry concentration inclined screen 31 is provided with a filtering screen plate, low-concentration slag slurry overflows an input end cofferdam and flows through the filtering screen plate from top to bottom, the concentration of the slag slurry is improved through gravity dehydration, most of water in the slurry slag is separated in the process, and the concentration of the concentrated slag slurry is 4-6%. The residue slurry concentration inclined screen 31 is characterized in that a screen plate is a slit screen, the width of a screen slit is 0.4-0.6 mm, and the preferable width of the screen slit is 0.5 mm. The slurry solid-liquid separation device 41 may be a screw press or a screw extruder. The screw shaft penetrates through the screen cylinder in the shell and is driven to rotate by the driving device, the screw shaft pushes low-concentration slurry to move from the input end to the slag discharging end and carry out preliminary dehydration, and the concentration of the slurry is further controlled to 35-50% by forced dehydration through variable frequency speed regulation of the transmission device and control of loading pressure of the mechanical pressurizing device between the screw shaft and the screen cylinder. A slag slurry solid-liquid separation device 41, wherein a screen cylinder is a hole screen or a slit screen, the aperture of the screen hole is 1.5-2.5 mm, and the preferred aperture is 2.0 mm; the width of the screen seam is 0.25-0.6 mm, and the preferable seam width is 0.35 mm.
Example 2:
FIG. 2 shows: the waste paper pulping sand-removing and fine screening slag-discharging treatment system comprises a slag pulp concentrating inclined screen 31, a slag pulp solid-liquid separation device 41 and corresponding pipelines.
The desanding and deslagging port of the desander is directly connected to the input end of the slag slurry concentration inclined screen 31 through a desanding and deslagging pipeline 03, the fine screen deslagging port of the fine screen is directly connected to the input end of the slag slurry concentration inclined screen 31 through a fine screen deslagging pipeline 04, and the desanding slag slurry and the fine screen slag are mixed in a feed chute of the slag slurry concentration inclined screen 31. The slag slurry concentrating inclined screen 31 is provided with an input end, a water discharging end and a slag discharging end, the input end of the slag slurry concentrating inclined screen 31 is connected with a sand-removing slag discharging pipeline 03 and a fine screening slag discharging pipeline 04, the slag slurry 32 after being concentrated at the slag discharging end is connected to the input end of a slag slurry solid-liquid separation device 41 through a chute, and the water discharging end is connected with a workshop trench through a first waste water pipeline 33. The slag-slurry solid-liquid separation device 41 is provided with an input end, a drainage end and a slag discharge end, wherein the concentrated slag slurry 32 from the slag discharge end of the slag-slurry concentrating inclined screen 31 is connected to the input end of the slag-slurry solid-liquid separation device 41 through a chute, the drainage end is connected with a workshop trench through a second waste water pipeline 43, and the processed discharged slag slurry 42 is discharged to a slag-slurry transport trolley 51 through the slag discharge end. The slag slurry concentration inclined screen 31 is provided with a filtering screen plate, low-concentration slag slurry overflows through an input end cofferdam and flows through the filtering screen plate from top to bottom, the concentration of the slag slurry is improved through gravity dehydration, most of water in the slurry slag is separated in the process, and the concentration of the concentrated slag slurry is 4-6%. The residue slurry concentration inclined screen 31 is characterized in that a screen plate is a slit screen, the width of a screen slit is 0.4-0.6 mm, and the preferable width of the screen slit is 0.5 mm. The slurry solid-liquid separation device 41 may be a screw press or a screw extruder. The screw shaft penetrates through the screen cylinder in the shell and is driven to rotate by the driving device, the screw shaft pushes low-concentration slurry to move from the input end to the slag discharging end and carry out preliminary dehydration, and the concentration of the slurry is further controlled to 35-50% by forced dehydration through variable frequency speed regulation of the transmission device and control of loading pressure of the mechanical pressurizing device between the screw shaft and the screen cylinder. A slag slurry solid-liquid separation device 41, wherein a screen cylinder is a hole screen or a slit screen, the aperture of the screen hole is 1.5-2.5 mm, and the preferred aperture is 2.0 mm; the width of the screen seam is 0.25-0.6 mm, and the preferable seam width is 0.35 mm.
Claims (4)
1. Waste paper slurrying sand removal and fine screen sediment discharge processing system, its characterized in that: comprises a desanding and deslagging collecting tank, a desanding slurry pump, a fine screening and deslagging collecting tank, a fine screening slurry pump, a slurry concentration inclined screen, a slurry solid-liquid separation device and corresponding pipelines; the slag slurry concentrating inclined screen is provided with an input end, a drainage end and a slag discharging end, the input end of the slag slurry concentrating inclined screen is connected with a sand removal slag slurry pipe and a fine screening slag slurry pipe, the slag discharging end is connected to the input end of the slag slurry solid-liquid separation device through a chute, and the drainage end is connected with a workshop trench through a waste water pipeline.
2. The waste paper pulping sand removal and fine screening slag removal processing system of claim 1, characterized in that: the slag-slurry solid-liquid separation device is provided with an input end, a drainage end and a slag discharge end, concentrated slag slurry from the slag-slurry concentration inclined screen slag discharge end is connected to the input end of the slag-slurry solid-liquid separation device through a chute, and the drainage end is connected with a workshop trench through a waste water pipeline.
3. The waste paper pulping sand removal and fine screening slag removal processing system of claim 1, characterized in that: the slag slurry concentration inclined screen is provided with a filtering screen plate.
4. The waste paper pulping sand removal and fine screening slag removal processing system of claim 2, characterized in that: the slag slurry solid-liquid separation device is a screw press or a screw extruder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120974881.2U CN214782892U (en) | 2021-05-09 | 2021-05-09 | Waste paper pulping sand removal and fine screening slag discharge treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120974881.2U CN214782892U (en) | 2021-05-09 | 2021-05-09 | Waste paper pulping sand removal and fine screening slag discharge treatment system |
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| CN214782892U true CN214782892U (en) | 2021-11-19 |
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| CN202120974881.2U Active CN214782892U (en) | 2021-05-09 | 2021-05-09 | Waste paper pulping sand removal and fine screening slag discharge treatment system |
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| CN (1) | CN214782892U (en) |
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2021
- 2021-05-09 CN CN202120974881.2U patent/CN214782892U/en active Active
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